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Finding the Fourth Proportional to 60,249, 83,142.36 and 33,391.27

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Solution

The fourth proportional to 60,249, 83,142.36 and 33,391.27 is: 46,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,249 : 83,142.36 = 33,391.27 : x
  2. Step 2: Convert to fraction form
    60,249/83,142.36 = 33,391.27/x
  3. Step 3: Cross multiply
    60,249x = 83,142.36 × 33,391.27
  4. Step 4: Simplify right side
    60,249x = 2,776,228,991.20
  5. Step 5: Solve for x
    x = 2,776,228,991.20/60,249
  6. Step 6: Final answer
    x = 46,079.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.